Round|Lab Grown|IGI

1.05ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG811647091

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811647091

Diamond specifications and retailer prices

From £241 GBP
$323 USD
As of October 30, 2026
Save £531 GBP (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £772 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811647091 or 811647091. Listed at 11 retailers as of October 30, 2026, with prices from £241 to £772, a £531 spread on the same certified stone. MOH London lists it at £772. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811647091
Dimensions6.62 × 6.57 × 3.95 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.62 mm6.57 mm1.05 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811647091
Side View
Table 60.0%Crown 32.9°Girdle: MediumPavilion 41°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £772 GBP|Low: £166 GBP|High: £782 GBP|Avg: £399 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9£166 GBP
Retailer 3£241 GBP
Retailer 4£284 GBP
Retailer 8£293 GBP
Retailer 2£306 GBP
Retailer 5£306 GBP
Retailer 7£396 GBP
Retailer 6£416 GBP
Retailer 11£572 GBP
Retailer 10£584 GBP
MOH London£772 GBP

20 data points across 11 retailers

11 retailers£241 GBP to £772 GBP

Retailer 1
-
£166 GBP
$222 USD
Price last confirmed 7 days ago
A
Retailer 2
-
£241 GBP
$323 USD
View
A
Retailer 3
-
£284 GBP
ZAR 6,144 ZAR
View
B+
Retailer 4
-
£293 GBP
$393 USD
View
B+
Retailer 5
-
£306 GBP
€390 EUR
View
Retailer 6
-
£306 GBP
$410 USD
View
Price last confirmed 14 days ago
B+
Retailer 7
-
£396 GBP
$530 USD
View
B+
Retailer 8
-
£416 GBP
$558 USD
View
B
Retailer 9
-
£572 GBP
$766 USD
View
B
Retailer 10
-
£596 GBP
$798 USD
View
Most Expensive
B
MOH London
LG811647091 · Nov 1
£772 GBP
View
10 more retailers have this diamond
Prices start from £241 GBPSave up to £531 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.05ct Round
£241 GBP